<template>
  <view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in SwiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src" mode=""></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" mode="" class="nav_img"></image>
      </view>
    </view>
    <!-- 楼层 -->
    <view class="floor-list">
      <!-- 楼层标题区域 -->
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <image :src="item.floor_title.image_src" mode="" class="floor-title"></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧的大盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧4个小盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        SwiperList: [],
        navList: [],
        floorList: []
      };
    },
    onLoad() {
      this.getSwiperList(),
        this.getNavList(),
        this.getFloorList()
    },
    methods: {
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // console.log(res);
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.SwiperList = res.message
        // uni.$showMsg('数据请求成功')
      },
      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        // console.log(res);
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.navList = res.message
      },
      navClickHandler(item) {
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      async getFloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        console.log(res);
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        // 通过双层forEach对url进行处理
        res.message.forEach(floor => { //floor 指向的是每一个楼层的信息对象
          floor.product_list.forEach(prod => { // prod 指向的是每一个图片的信息对象，给prod挂载一个自定义属性
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]  // '?'为分割线，[0]为/subpkg/goods_list/goods_list，[1]为query=热
          })
        })
        console.log(res.message);
        this.floorList = res.message
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    height: 140rpx;
    display: flex;
    justify-content: space-around;
    margin: 20rpx 0;

    .nav-item {
      .nav_img {
        width: 128rpx;
        height: 140rpx;
      }
    }
  }

  .floor-list {
    .floor-item {
      .floor-title {
        height: 60rpx;
        width: 100%;
        display: flex;
      }
      .floor-img-box {
        display: flex;
        padding-left: 10rpx;
        .left-img-box {
          
        }
        .right-img-box {
          display: flex;
          flex-wrap: wrap;
          justify-content: space-around;
        }
      }
    }
  }
</style>
